MyBB SQL Error

MyBB has experienced an internal SQL error and cannot continue.

SQL Error:
145 - Table './balkania_forum/mybb_sessions' is marked as crashed and should be repaired
Query:
REPLACE INTO mybb_sessions SET `uid`=0,`sid`='8a069b99343f5f23eb6096fd95507c1c',`time`=1711617572,`ip`=X'36dd2b9b',`location`='/showthread.php?tid=237&pid=1386',`useragent`='claudebot',`location1`=9,`location2`=237,`nopermission`=0